Where does “pescarese” come from?

pescarese (Italian) comes from Italian Pescara, from Latin Piscaria, from Latin Piscis, from Proto-Indo-European *peysk-.

Ancestry of “pescarese”, step by step

Step	Language	Word	Meaning
1	Italian	Pescara	—
2	Latin	Piscaria	abounding with fish
3	Latin	Piscis	the Fish, Piscis Austrinus constellation
4	Proto-Indo-European	*peysk-	—